Click to view London's Heart Hospital didn't like the fact that they couldn't see inside the hearts of patients—not while the patients were still alive and well, that is. So they hired Glassworks, an animation firm that specialized in music videos and TV shows, and asked them to build HeartWorks, the most realistic…

Just last year, we showed you the concept i-Snake medical robot, and now a different team actually has a similar device for real: the CardioArm. This little robo-tentacle is being developed partly at Carnegie Mellon University, and is apparently the most flexible endoscope ever that follows its own camera-head in a…